Severity level

Platform description

Siemens WinCC is a part of Siemens SIMATIC HMI software that aimed to provide connection between an operator and PLCs that manage technological processes. The WebNavigator component of WinCC gives the users the possibility to control their plants via the web browser with the same look-and-feel like local operator stations.

Vulnerability description

The specialists of the Positive Research center have detected an Information disclosure vulnerability in SIMATIC WinCC.

The SIMATIC WinCC WebNavigator server at port 80/tcp and port 443/tcp could allow unauthenticated access to sensitive data if an attacker sends specially crafted HTTP requests to this port.